UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 26 DEC 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1016 7 21.2 18.4 84 2.8 19.3 20 1 293.0 295.4 291.9 330.6 13.22 1 1000 146 19.8 17.2 85 2.6 18.1 345 5 293.0 295.2 291.2 328.3 12.44 2 925 815 15.6 15.4 99 0.2 15.5 25 13 295.3 297.4 291.6 329.7 11.98 3 921 852 15.2 15.2 100 0.0 15.2 27 13 295.2 297.4 291.5 329.3 11.87 4 850 1530 12.0 12.0 100 0.0 12.0 65 11 298.7 300.6 291.5 329.1 10.42 5 758 2482 6.8 6.3 97 0.5 6.5 348 12 303.0 304.5 290.7 326.7 7.92 6 756 2504 9.0 4.0 71 5.0 6.2 347 12 305.6 306.9 290.6 326.1 6.76 7 749 2581 10.6 0.6 50 10.0 5.3 340 12 308.2 309.2 290.2 324.7 5.34 8 716 2958 11.8 -28.2 4 40.0 -0.5 310 13 313.5 313.6 287.2 315.4 0.52 9 700 3147 11.2 -34.8 2 46.0 -1.3 295 13 314.9 314.9 287.4 315.9 0.28 10 677 3425 10.8 -36.2 2 47.0 -1.8 295 13 317.5 317.5 288.2 318.4 0.26 11 513 5677 -1.9 -39.9 4 38.0 -10.4 290 17 328.3 328.4 291.5 329.2 0.23 12 500 5880 -3.5 -43.5 3 40.0 -11.5 290 17 328.8 328.8 291.5 329.4 0.16 13 400 7600 -15.9 -46.9 5 31.0 -20.5 285 21 334.3 334.4 293.0 334.9 0.14 14 368 8222 -20.5 -36.5 23 16.0 -23.4 286 24 336.3 336.4 293.8 338.0 0.46 15 320 9245 -25.7 -59.7 3 34.0 -28.6 289 29 342.8 342.8 295.0 342.9 0.04 16 300 9710 -28.7 -55.7 6 27.0 -31.0 290 31 344.9 344.9 295.6 345.2 0.07 17 250 10990 -39.7 -53.7 21 14.0 -40.6 250 25 347.0 347.1 296.1 347.5 0.10 18 211 12130 -49.5 -60.5 26 11.0 -49.8 231 35 349.0 349.0 296.5 349.2 0.05 19 203 12383 -50.9 -63.9 20 13.0 -51.2 227 37 350.7 350.7 296.8 350.8 0.03 20 200 12480 -51.9 -63.9 22 12.0 -52.2 225 38 350.6 350.6 296.8 350.7 0.04 21 188 12875 -55.5 -63.5 36 8.0 -55.7 221 39 351.0 351.0 296.9 351.2 0.04 22 184 13011 -56.3 -69.3 18 13.0 -56.5 219 40 351.9 351.9 297.1 352.0 0.02 23 160 13879 -63.9 -76.9 15 13.0 -64.0 209 43 353.4 353.4 297.4 353.4 0.01 24 150 14270 -66.5 -79.5 14 13.0 -66.6 205 44 355.5 355.5 297.8 355.5 0.00 25 119 15641 -76.9 -85.9 22 9.0 -76.9 236 24 360.7 360.7 298.8 360.8 0.00 26 100 16630 -82.1 -89.1 29 7.0 -82.1 260 9 369.1 369.1 300.4 369.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 537.54 mb = 5339.96 m = 17519.35 ft Wetbulb zero: 718.90 mb = 2924.07 m = 9593.30 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 44.08 % Est. max temperature: 26.11 C = 79.00 F Sfc-Lift cond lev (LCL): 975.16 mb = 361.84 m = 1187.12 ft T: 18.44 C 700-500 lapse rate: 5.38 C/km ThetaE index: 14.31 C Layer 921.0- 700.0 mb Conv cond level (CCL): 929.39 mb = 774.33 m = 2540.43 ft Mean mixing ratio: 12.27 g/kg Conv temperature: 23.32 C = 73.97 F Cap Strength: 8.45 C Lifted Index: 8.14 C Risk: None Lifted Index @300 mb: 12.15 C Lifted Index @700 mb: 7.20 C Showalter Index: 8.14 C Risk: None Total Totals Index: 31.00 C Risk: None Vertical Totals Index: 15.50 C Cross Totals Index: 15.50 C K Index: -18.50 Risk: None Sweat Index: 183.00 Risk: None Energy Index: 0.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.48 J/kg Max Up Vert Vel: 5.91 m/s Conv Inhibition (B-): 3.23 J/kg Cap Strength: 8.46 C Lift Cond Lev (LCL): 944.43 mb = 636.60 m = 2088.57 ft Lev Free Conv (LFC): 869.43 mb = 1338.93 m = 4392.77 ft Equ Level (EL): 759.43 mb = 2466.29 m = 8091.40 ft B at Equ Level: 14.29 J/kg Max Parcel Lev (MPL): 739.43 mb = 2688.69 m = 8821.04 ft Wind level data Storm motion: 346 at 10 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1016 7 20 1 -0.3 -0.9 | 162 9 -2.8 8.5 1 1000 146 345 5 1.3 -4.8 | 166 5 -1.1 4.6 2 925 815 25 13 -5.5 -11.8 | 73 8 -7.9 -2.4 3 850 1530 65 11 -10.0 -4.6 | 111 13 -12.4 4.8 4 700 3147 295 13 11.8 -5.5 | 247 10 9.4 3.9 5 500 5880 290 17 16.0 -5.8 | 255 14 13.5 3.6 6 400 7600 285 21 20.3 -5.4 | 257 18 17.9 4.0 7 300 9710 290 31 29.1 -10.6 | 273 27 26.7 -1.2 8 250 10990 250 25 23.5 8.6 | 230 28 21.1 18.0 9 200 12480 225 38 26.9 26.9 | 214 44 24.4 36.3 10 150 14270 205 44 18.6 39.9 | 198 52 16.2 49.3 11 100 16630 260 9 8.9 1.6 | 210 13 6.4 11.0 Wind Parameters Mean winds (0-6000m): 315.6 at 13.0 knts Storm direction: 345.6 at 9.7 knts Shear (0-3000m) pos: 1.7 neg: 3.8 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 95.0 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -33.9 tot: -14.5 m^2/s^2 ave: -4.8 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.48 Bulk Shear: 11.82 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 358 6 147 4| 0.0 8.6 8.6| 0.2 -3.7 -3.5 -7.0 -0.43| 9.5 -4.1 1000 18 9 101 5| 3.2 4.3 7.5| 4.8 -5.7 -0.9 -0.9 -0.22| 8.6 -1.9 1500 30 10 97 7| 3.4 2.9 6.2| 19.4 -5.7 13.7 9.1 0.05| 7.8 0.4 2000 34 10 97 8| 2.5 3.7 6.2| 19.4 -19.3 0.2 0.1 -0.12| 7.7 -0.9 2500 28 11 91 7| 2.0 4.0 6.0| 19.4 -26.3 -6.9 -2.8 -0.26| 7.9 -2.1 3000 18 11 80 6| 1.7 3.8 5.5| 19.4 -33.9 -14.5 -4.8 -0.35| 8.1 -2.8 4000 349 12 10 2| 1.3 3.1 4.4| 21.1 -37.5 -16.4 -4.1 -0.34| 6.6 -2.2 5000 328 12 284 4| 1.0 2.6 3.6| 22.9 -37.5 -14.6 -2.9 -0.32| 5.4 -1.7 6000 316 13 269 7| 0.8 2.3 3.2| 24.6 -37.5 -12.9 -2.2 -0.30| 4.7 -1.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251226.12.gif